Profile based method for deriving a temperature setpoint using a 'delta' based on cross-indexing a received price-point level signal
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Abstract
A method for adjusting a plurality of controlled subsystems in a building or plant that facilitates cooperative energy usage with a utility provider. By referring to a single profile of adjustments that correspond to changes in the value of a utility signal and distributing this to each relevant controller for each subsystem, a single setback delta can be applied to each subsystem for each change in utility signal value (i.e., pricing information). Alternatively, multiple profiles can be used to provide for firmer control and thereby allow for different zones to respond differently to a single change signal sent by the utility provider.
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Citations
31 Claims
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1-11. -11. (canceled)
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12. A method for controlling an environmental control system, wherein the environmental control system one or more setpoints for each of two or more time periods, the environmental control system controlling one or more environmental conditions of an inside space of a user'"'"'s facility/home/building in accordance with the two or more time periods and the one or more set points, the method comprising the steps of:
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establishing a communication link with the environmental control system from a location that is remote from the user'"'"'s facility/home/building;
sending one or more commands to the environmental control system from the remote location via the communication link, the one or more commands used in determining one or more new setpoints for the environmental control system;
identifying a new setpoint for each of the two or more time periods based, at least in part, on one or more of the received commands; and
controlling one or more environmental conditions of the inside space of the user'"'"'s facility/home/building in accordance with the two or more time periods and the one or more new points. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of operating an environmental control system, the environmental control system including a controller and making use of a setpoint to control operation of an environmental control apparatus, the method comprising:
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receiving a signal from a utility that provides energy to the environmental control apparatus, the signal indicating utility conditions falling into at least a first category and a second category and;
if the signal indicates conditions of the first category, operating the environmental control apparatus using a first setpoint, and if the signal indicates conditions of the second category, operating the environmental control apparatus using a second setpoint. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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29. A method of operating an air conditioner using a current setpoint, the method comprising:
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receiving a signal from a utility that provides electricity to operate the air conditioner, the signal providing an indication of whether the air conditioner is to be operated in a normal fashion or not;
if the signal indicates that the air conditioner may be operated in a normal fashion, operating the air conditioner using the current setpoint; and
if the signal indicates that the air conditioner should not be operated in a normal fashion, preventing operation of the air conditioner at a time and under conditions in which, if operated in the normal fashion, the air conditioner would operate. - View Dependent Claims (30, 31)
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Specification